@misc{cogprints848,
          volume = {10},
          number = {024},
           title = {Why Grandmothers May Need Large Brains. (Commentary on Skoyles on Brain Expertise)},
          author = {Nicholas Humphrey},
            year = {1999},
           pages = {1--3},
         journal = {Psycoloquy},
        keywords = {brain size, evolution of intelligence, human life history, social intelligence hypothesis, human evolution},
             url = {http://cogprints.org/848/},
        abstract = {Skoyles's case against human brain size being related to IQ is strong; but his case in favor of its being related to expertise is weak. I propose that the explanation for the evolutionary expansion of the human brain in fact lies far away, in the need to have a brain that could continue to function into old age.}
}

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